M. Gruber, "Multi-chip module with planar-integrated free-space optical vector-matrix-type interconnects", Appl. Opt. 43 (2004) 463-470.

Q. Cao and J. Jahns, "Comprehensive focusing analysis of various Fresnel zone plate", J. Opt. Soc. Am. A 21 (2004) 561-571.

G. Mínguez-Vega, J. Jahns, "Temporal processing with the Montgomery interferometer", Opt. Comm. 236 (2004) 45-52.

Q. Cao, M. Gruber, J. Jahns, "Generalized confocal imaging systems for free-space optical interconnections", Appl. Opt. 43 (2004) 3306-3309.

J. Jahns, A. W. Lohmann, "Temporal filtering by double diffraction", Appl. Opt. 43 (2004) 4339-4344.

M. Gruber, R. Kerssenfischer, J. Jahns, "Planar-integrated free-space optical fan-out module for MT-connected fiber-ribbons", J. Lightwave Techn. 22 (2004) 2218-2222.